diff --git a/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI/Dockerfile b/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI/Dockerfile
index 3809a5fd..0494dd31 100644
--- a/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI/Dockerfile
+++ b/backend/src/Altinn.AccessManagement.UI/Altinn.AccessManagement.UI/Dockerfile
@@ -1,6 +1,6 @@
 #See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/aspnet:7.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:9.0 AS base
 WORKDIR /app
 EXPOSE 80
 EXPOSE 443